Choni S. Spring black stem and leaf spot of seminal his alfalfa and complex of measures of limitation of development in East Forest-steppe of Ukraine

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0407U001543

Applicant for

Specialization

  • 06.01.11 - Фітопатологія

22-03-2007

Specialized Academic Board

К 64.803.02

Kharkiv National Agrarian University named V.V. Dokuchaev

Essay

3. 3. Biological features of exciter Ascochyta imperfecta Peck. are studied. Influence of hydrometric. factors on development of disease is defined. Models of short-term and long-term prognosis of prevalence and development of disease are developed The dependence of prevalence and development of disease from temperature factor is proved. The degree of resistance of separate sorts of alfalfa to ascohitosis is defined. The role of agrotechnical and chemical measures in limitation of prevalence and development of disease is found out. Agriculture.

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